一个角的补角比这个角的3倍大
,求这个角的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aee6e4e9350a2665df8597ff8045bbd.png)
更新时间:2024-01-27 11:23:16
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【推荐1】已知数轴上,点A对应的数为a,点B对应的数为b,且|a-b|=12 .
(1)若 b=-6,求a的值.
(2)若点A和点B分别位于原点O的两侧,OA=3OB,求a与b的值.
(1)若 b=-6,求a的值.
(2)若点A和点B分别位于原点O的两侧,OA=3OB,求a与b的值.
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【推荐2】如图所示,有甲、乙两个容器,甲容器盛满水,乙容器里没有水,现将甲容器中的水全部倒入乙容器,问:水会不会溢出?如果不会溢出,请你求出倒入水后乙容器中的水深;如果水会溢出,请你说明理由.(容器壁厚度忽略不计,图中数据的单位:cm)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/3/d7fe5785-9c95-473e-ac12-ab37b7482bf4.png?resizew=306)
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解答题-问答题
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较易
(0.85)
【推荐1】已知O是直线
上一点,
是直角,
平分
,
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/24/1e8266af-a973-4cc3-88d0-28541df6c60c.png?resizew=383)
(1)如图1,若射线
在直线
的异侧,
,求
的度数;
(2)如图2,若射线
在直线
的同侧,探究
与
的数量关系,并用等式表示.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed66570f697459aba9daa2eaf9460bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22df2977de56cc69be0c1e847653d7a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/24/1e8266af-a973-4cc3-88d0-28541df6c60c.png?resizew=383)
(1)如图1,若射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c25918075c72a45689ae120fa86e24a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/026ddcbab066ca12af45995525940e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cbee6d5731d6f4bb1e4f2ba3d89b7dc.png)
(2)如图2,若射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c25918075c72a45689ae120fa86e24a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cbee6d5731d6f4bb1e4f2ba3d89b7dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fed1f57a835af4e9022e27603d12d31.png)
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解答题-计算题
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【推荐2】如图,点
在直线
上,
平分
,
⊥
.
(1)已知
,求
的大小;
(2)若
,请通过计算判断
是否平分
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc9f91270ddbe1cf3c1362e1b95aee14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8f5eb1606d9ec11bfb96eff030a57cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/418ebb89d29f4f631b055c911e8d178a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcbec8352ce3dbfbf3b173045d0ba8f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42e7b8a59f8d66176463f3d71f882a26.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/29/ff947647-8434-4a17-96c8-b66be7e8eed8.png?resizew=151)
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